Air blower



FIG. 1 is a right side elevational view of an air blower embodying my new design, the left side being a mirror image of the right side shown;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof; and

FIG. 4 is a rear elevational view thereof. 

The ornamental design for an air blower, substantially as shown and described. 